A complex can be constituted-of-or-filled-with ridges.Logical formLearned from6 sentences. Valleys can be between ridges.Logical formLearned from6 sentences. Ridges can be common.Logical formLearned from6 sentences. Ridges can be wrinkled.Logical formLearned from6 sentences. Ridges may be separated by valleys.Logical formLearned from6 sentences. Ridges can be constituted-of-or-filled-with mountains.Logical formLearned from6 sentences. Ridges can be constituted-of-or-filled-with skin.Logical formLearned from6 sentences. Ridges may undergo a creation.Logical formLearned from6 sentences. Ridges can be subordinate.Logical formLearned from6 sentences. A series can be constituted-of-or-filled-with (dune ridges).Logical formLearned from6 sentences. Ridges can be explicit.Logical formLearned from6 sentences. (Mountain ridges) can be rocky.Logical formLearned from6 sentences. A shell can be with ridges.Logical formLearned from6 sentences. Ridges can be scaly.Logical formLearned from6 sentences. Sweep can be over ridges of mountains.Logical formLearned from6 sentences.